Models
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| KITFOX IV SPEEDSTER | Fixed wing single engine | 1 | 1 | ?-? |
| HARTLINE PULSAR I | Fixed wing single engine | 1 | 1 | 1990-1990 |
| KITFOX IV | Fixed wing single engine | 1 | 1 | 1992-1992 |
3 models and 3 aircraft registered with the FAA under the manufacturer name HARTLINE JOHN BON.
| Model | Type | Registered | Valid | Built |
|---|---|---|---|---|
| KITFOX IV SPEEDSTER | Fixed wing single engine | 1 | 1 | ?-? |
| HARTLINE PULSAR I | Fixed wing single engine | 1 | 1 | 1990-1990 |
| KITFOX IV | Fixed wing single engine | 1 | 1 | 1992-1992 |